12539360

素因数分解:

$2^5\times 5^1\times {\mathrm{109}}^1\times {\mathrm{719}}^1$

素因数の和:843

約数の個数: 48

約数和(自身を含む): 29937600

約数和(自身を除く): 17398240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 109, 160, 218, 436, 545, 719, 872, 1090, 1438, 1744, 2180, 2876, 3488, 3595, 4360, 5752, 7190, 8720, 11504, 14380, 17440, 23008, 28760, 57520, 78371, 115040, 156742, 313484, 391855, 626968, 783710, 1253936, 1567420, 2507872, 3134840, 6269680, 12539360]

約数ペア:

[(1, 12539360), (2, 6269680), (4, 3134840), (5, 2507872), (8, 1567420), (10, 1253936), (16, 783710), (20, 626968), (32, 391855), (40, 313484), (80, 156742), (109, 115040), (160, 78371), (218, 57520), (436, 28760), (545, 23008), (719, 17440), (872, 14380), (1090, 11504), (1438, 8720), (1744, 7190), (2180, 5752), (2876, 4360), (3488, 3595)]